Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong ca sy slippers" » "cong cua sy slippers", "cong cau sy slippers", "cong cac sy slippers", "cong ca sy slippery", "cong ca sy grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cong ca sy slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong ca sy slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong ca sy slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong ca sy slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.